MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1052875c57a9dac5930db4b7a769cdebc01fb2df98c5105454893ce570599962. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



AgentTesla


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 1052875c57a9dac5930db4b7a769cdebc01fb2df98c5105454893ce570599962
SHA3-384 hash: 141e35df2435b99529dac03b8c2479b5b36f560de53e51c8622e0a40fe484725744ba623d3c295a98f22de93265376d0
SHA1 hash: 8a1fe33dfc3d7e68fe7401b224b27788ec90245e
MD5 hash: de18b8d101d2c49540011230a16621c4
humanhash: leopard-lake-papa-summer
File name:de18b8d101d2c49540011230a16621c4
Download: download sample
Signature AgentTesla
File size:899'584 bytes
First seen:2021-06-14 07:56:25 UTC
Last seen:2021-06-14 08:48:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:mwxY8OumuQ0rJgsU4X4qPUvsjkZG4Rgnc9uQuqK+ETEcMXAJmqWuEy3sUljfBJZF:m7urfrJ95IqcKcQ+UmFly3s4NeBUdt
TLSH BF15F02132C82BA4C5BE6B798676410093FBB91BE731D64D7F9D609D2B23F41CA72B11
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Company Profile.doc
Verdict:
Malicious activity
Analysis date:
2021-06-14 07:39:38 UTC
Tags:
exploit CVE-2017-11882 loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Contains functionality to register a low level keyboard hook
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 434084 Sample: FBt9o6x4r5 Startdate: 14/06/2021 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 8 other signatures 2->35 7 FBt9o6x4r5.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\mmOaCzzkP.exe, PE32 7->19 dropped 21 C:\Users\...\mmOaCzzkP.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp220B.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\FBt9o6x4r5.exe.log, ASCII 7->25 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Contains functionality to register a low level keyboard hook 7->41 43 Uses schtasks.exe or at.exe to add and modify task schedules 7->43 11 FBt9o6x4r5.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 mail.privateemail.com 198.54.122.60, 49720, 587 NAMECHEAP-NETUS United States 11->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 2 other signatures 11->51 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2021-06-14 03:19:53 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
e987e066b6b1ca5c3698a367d405b671a7f33e388289cb6b191faf4796478596
MD5 hash:
8b3814abb5e9cd9fb5da34bc71a4afc2
SHA1 hash:
8005c030dd9d0c1f146d18c4597f0a0f55e16577
SH256 hash:
1052875c57a9dac5930db4b7a769cdebc01fb2df98c5105454893ce570599962
MD5 hash:
de18b8d101d2c49540011230a16621c4
SHA1 hash:
8a1fe33dfc3d7e68fe7401b224b27788ec90245e
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe 1052875c57a9dac5930db4b7a769cdebc01fb2df98c5105454893ce570599962

(this sample)

  
Delivery method
Distributed via web download

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